Add 40/36 and 81/80
1st number: 1 4/36, 2nd number: 1 1/80
40/36 + 81/80 is 1529/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
40/36 = 40 × 20/36 × 20 = 800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
81/80 = 81 × 9/80 × 9 = 729/720 - Add the two like fractions:
800/720 + 729/720 = 800 + 729/720 = 1529/720 - So, 40/36 + 81/80 = 1529/720
In mixed form: 289/720
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